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Figure 5: Difference between echo and cath estimated Qp/Qs against mean Qp/Qs for cath Qp/Qs <1.5 (a) difference between echo and cath estimated Qp/Qs against mean Qp/Qs for cath Qp/Qs >1.5 (b) difference between echo and cath estimated Qp/Qs against mean Qp/Qs for cath Qp/Qs >2.0 (c). Qp/Qs: Pulmonary to systemic flow ratio

Figure 5: Difference between echo and cath estimated Qp/Qs against mean Qp/Qs for cath Qp/Qs <1.5 (a) difference between echo and cath estimated Qp/Qs against mean Qp/Qs for cath Qp/Qs >1.5 (b) difference between echo and cath estimated Qp/Qs against mean Qp/Qs for cath Qp/Qs >2.0 (c). Qp/Qs: Pulmonary to systemic flow ratio